From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liang Li Subject: [QEMU v2 2/9] virtio-balloon: update linux head file Date: Fri, 15 Jul 2016 10:47:22 +0800 Message-ID: <1468550849-22172-3-git-send-email-liang.z.li@intel.com> References: <1468550849-22172-1-git-send-email-liang.z.li@intel.com> Cc: mst@redhat.com, pbonzini@redhat.com, quintela@redhat.com, amit.shah@redhat.com, kvm@vger.kernel.org, dgilbert@redhat.com, thuth@redhat.com, Liang Li To: qemu-devel@nongnu.org Return-path: Received: from mga14.intel.com ([192.55.52.115]:10018 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751641AbcGOCzs (ORCPT ); Thu, 14 Jul 2016 22:55:48 -0400 In-Reply-To: <1468550849-22172-1-git-send-email-liang.z.li@intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Update the new feature bit definition and the page bitmap header struct to keep consistent with kernel side. Signed-off-by: Liang Li --- include/standard-headers/linux/virtio_balloon.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h index 9d06ccd..d577359 100644 --- a/include/standard-headers/linux/virtio_balloon.h +++ b/include/standard-headers/linux/virtio_balloon.h @@ -34,6 +34,7 @@ #define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ #define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */ #define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon on OOM */ +#define VIRTIO_BALLOON_F_PAGE_BITMAP 3 /* Send page info with bitmap */ /* Size of a PFN in the balloon interface. */ #define VIRTIO_BALLOON_PFN_SHIFT 12 @@ -82,4 +83,22 @@ struct virtio_balloon_stat { __virtio64 val; } QEMU_PACKED; +/* Page bitmap header structure */ +struct balloon_bmap_hdr { + /* Used to distinguish different request */ + __virtio16 cmd; + /* Shift width of page in the bitmap */ + __virtio16 page_shift; + /* flag used to identify different status */ + __virtio16 flag; + /* Reserved */ + __virtio16 reserved; + /* ID of the request */ + __virtio64 req_id; + /* The pfn of 0 bit in the bitmap */ + __virtio64 start_pfn; + /* The length of the bitmap, in bytes */ + __virtio64 bmap_len; +}; + #endif /* _LINUX_VIRTIO_BALLOON_H */ -- 1.9.1