From patchwork Thu May 23 14:34:59 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 245964 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DB7352C0178 for ; Fri, 24 May 2013 00:39:14 +1000 (EST) Received: from localhost ([::1]:58943 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfWfh-0004wN-1m for incoming@patchwork.ozlabs.org; Thu, 23 May 2013 10:39:13 -0400 Received: from eggs.gnu.org ([208.118.235.92]:56778) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfWbQ-0000OU-6f for qemu-devel@nongnu.org; Thu, 23 May 2013 10:34:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UfWbG-0006w6-3Y for qemu-devel@nongnu.org; Thu, 23 May 2013 10:34:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:2532) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfWbF-0006w2-Qz for qemu-devel@nongnu.org; Thu, 23 May 2013 10:34:37 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r4NEYbUC013390 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 23 May 2013 10:34:37 -0400 Received: from redhat.com (vpn-202-161.tlv.redhat.com [10.35.202.161]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with SMTP id r4NEYYPS017750; Thu, 23 May 2013 10:34:35 -0400 Date: Thu, 23 May 2013 17:34:59 +0300 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <1369319649-23900-6-git-send-email-mst@redhat.com> References: <1369319649-23900-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1369319649-23900-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Anthony Liguori Subject: [Qemu-devel] [PATCH 05/10] virtio-balloon: switch to linux-headers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org It's easier to keep everything in sync if we just use linux headers for virtio constants. Add virtio_balloon.h header from linux 3.10-rc1, and remove duplicate symbols from virtio-balloon.h Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-balloon.c | 2 +- include/hw/virtio/virtio-balloon.h | 37 ++-------------------- linux-headers/linux/virtio_balloon.h | 59 ++++++++++++++++++++++++++++++++++++ 3 files changed, 63 insertions(+), 35 deletions(-) create mode 100644 linux-headers/linux/virtio_balloon.h diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index d669756..548508b 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -216,7 +216,7 @@ static void virtio_balloon_receive_stats(VirtIODevice *vdev, VirtQueue *vq) { VirtIOBalloon *s = VIRTIO_BALLOON(vdev); VirtQueueElement *elem = &s->stats_vq_elem; - VirtIOBalloonStat stat; + struct virtio_balloon_stat stat; size_t offset = 0; qemu_timeval tv; diff --git a/include/hw/virtio/virtio-balloon.h b/include/hw/virtio/virtio-balloon.h index f863bfe..dc0702d 100644 --- a/include/hw/virtio/virtio-balloon.h +++ b/include/hw/virtio/virtio-balloon.h @@ -17,45 +17,14 @@ #include "hw/virtio/virtio.h" #include "hw/pci/pci.h" +#include "linux/virtio_balloon.h" +#include "linux/virtio_ids.h" + #define TYPE_VIRTIO_BALLOON "virtio-balloon-device" #define VIRTIO_BALLOON(obj) \ OBJECT_CHECK(VirtIOBalloon, (obj), TYPE_VIRTIO_BALLOON) -/* from Linux's linux/virtio_balloon.h */ - -/* The ID for virtio_balloon */ -#define VIRTIO_ID_BALLOON 5 - -/* The feature bitmap for virtio balloon */ -#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ -#define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory stats virtqueue */ - -/* Size of a PFN in the balloon interface. */ -#define VIRTIO_BALLOON_PFN_SHIFT 12 - -struct virtio_balloon_config -{ - /* Number of pages host wants Guest to give up. */ - uint32_t num_pages; - /* Number of pages we've actually got in balloon. */ - uint32_t actual; -}; - -/* Memory Statistics */ -#define VIRTIO_BALLOON_S_SWAP_IN 0 /* Amount of memory swapped in */ -#define VIRTIO_BALLOON_S_SWAP_OUT 1 /* Amount of memory swapped out */ -#define VIRTIO_BALLOON_S_MAJFLT 2 /* Number of major faults */ -#define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */ -#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ -#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ -#define VIRTIO_BALLOON_S_NR 6 - -typedef struct VirtIOBalloonStat { - uint16_t tag; - uint64_t val; -} QEMU_PACKED VirtIOBalloonStat; - typedef struct VirtIOBalloon { VirtIODevice parent_obj; VirtQueue *ivq, *dvq, *svq; diff --git a/linux-headers/linux/virtio_balloon.h b/linux-headers/linux/virtio_balloon.h new file mode 100644 index 0000000..5e26f61 --- /dev/null +++ b/linux-headers/linux/virtio_balloon.h @@ -0,0 +1,59 @@ +#ifndef _LINUX_VIRTIO_BALLOON_H +#define _LINUX_VIRTIO_BALLOON_H +/* This header is BSD licensed so anyone can use the definitions to implement + * compatible drivers/servers. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of IBM nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. */ +#include +#include + +/* The feature bitmap for virtio balloon */ +#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ +#define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */ + +/* Size of a PFN in the balloon interface. */ +#define VIRTIO_BALLOON_PFN_SHIFT 12 + +struct virtio_balloon_config +{ + /* Number of pages host wants Guest to give up. */ + __le32 num_pages; + /* Number of pages we've actually got in balloon. */ + __le32 actual; +}; + +#define VIRTIO_BALLOON_S_SWAP_IN 0 /* Amount of memory swapped in */ +#define VIRTIO_BALLOON_S_SWAP_OUT 1 /* Amount of memory swapped out */ +#define VIRTIO_BALLOON_S_MAJFLT 2 /* Number of major faults */ +#define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */ +#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ +#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ +#define VIRTIO_BALLOON_S_NR 6 + +struct virtio_balloon_stat { + __u16 tag; + __u64 val; +} __attribute__((packed)); + +#endif /* _LINUX_VIRTIO_BALLOON_H */