From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:46191) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjpyX-0002vJ-SI for qemu-devel@nongnu.org; Wed, 16 Jan 2019 13:31:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gjpyX-00073K-1q for qemu-devel@nongnu.org; Wed, 16 Jan 2019 13:31:41 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53674) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gjpyW-0006xc-RU for qemu-devel@nongnu.org; Wed, 16 Jan 2019 13:31:40 -0500 From: wexu@redhat.com Date: Wed, 16 Jan 2019 13:31:07 -0500 Message-Id: <1547663480-547-3-git-send-email-wexu@redhat.com> In-Reply-To: <1547663480-547-1-git-send-email-wexu@redhat.com> References: <1547663480-547-1-git-send-email-wexu@redhat.com> Subject: [Qemu-devel] [PATCH v2 02/15] virtio: redefine structure & memory cache for packed ring List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: wexu@redhat.com, tiwei.bie@intel.com, qemu-devel@nongnu.org Cc: jasowang@redhat.com, mst@redhat.com, jfreiman@redhat.com, maxime.coquelin@redhat.com From: Wei Xu Redefine packed ring structure according to Qemu nomenclature, field data(wrap counter, etc) are introduced also. Signed-off-by: Wei Xu --- hw/virtio/virtio.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 22bd1ac..827e745 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -39,6 +39,13 @@ typedef struct VRingDesc uint16_t next; } VRingDesc; +typedef struct VRingPackedDesc { + uint64_t addr; + uint32_t len; + uint16_t id; + uint16_t flags; +} VRingPackedDesc; + typedef struct VRingAvail { uint16_t flags; @@ -77,6 +84,11 @@ typedef struct VRing VRingMemoryRegionCaches *caches; } VRing; +typedef struct VRingPackedDescEvent { + uint16_t off_wrap; + uint16_t flags; +} VRingPackedDescEvent ; + struct VirtQueue { VRing vring; @@ -87,7 +99,11 @@ struct VirtQueue /* Last avail_idx read from VQ. */ uint16_t shadow_avail_idx; + bool event_wrap_counter; + bool avail_wrap_counter; + uint16_t used_idx; + bool used_wrap_counter; /* Last used index value we have signalled on */ uint16_t signalled_used; -- 1.8.3.1