From: "Eugenio Pérez" <eperezma@redhat.com>
To: qemu-devel@nongnu.org
Cc: Parav Pandit <parav@mellanox.com>,
Juan Quintela <quintela@redhat.com>,
Jason Wang <jasowang@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
virtualization@lists.linux-foundation.org,
Harpreet Singh Anand <hanand@xilinx.com>,
Xiao W Wang <xiao.w.wang@intel.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Eli Cohen <eli@mellanox.com>, Eric Blake <eblake@redhat.com>,
Michael Lilja <ml@napatech.com>,
Stefano Garzarella <sgarzare@redhat.com>
Subject: [RFC PATCH v4 03/20] virtio: Add virtio_queue_is_host_notifier_enabled
Date: Fri, 1 Oct 2021 09:05:46 +0200 [thread overview]
Message-ID: <20211001070603.307037-4-eperezma@redhat.com> (raw)
In-Reply-To: <20211001070603.307037-1-eperezma@redhat.com>
This allows shadow virtqueue code to assert the queue status before
making changes.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
include/hw/virtio/virtio.h | 1 +
hw/virtio/virtio.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 5fe575b8f0..2fe03f64c6 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -318,6 +318,7 @@ void virtio_device_release_ioeventfd(VirtIODevice *vdev);
bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev);
EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq);
void virtio_queue_set_host_notifier_enabled(VirtQueue *vq, bool enabled);
+bool virtio_queue_is_host_notifier_enabled(const VirtQueue *vq);
void virtio_queue_host_notifier_read(EventNotifier *n);
void virtio_queue_aio_set_host_notifier_handler(VirtQueue *vq, AioContext *ctx,
VirtIOHandleAIOOutput handle_output);
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index ab516ac614..f04de57409 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -3591,6 +3591,11 @@ EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq)
return &vq->host_notifier;
}
+bool virtio_queue_is_host_notifier_enabled(const VirtQueue *vq)
+{
+ return vq->host_notifier_enabled;
+}
+
void virtio_queue_set_host_notifier_enabled(VirtQueue *vq, bool enabled)
{
vq->host_notifier_enabled = enabled;
--
2.27.0
next prev parent reply other threads:[~2021-10-01 7:12 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-01 7:05 [RFC PATCH v4 00/20] vDPA shadow virtqueue Eugenio Pérez
2021-10-01 7:05 ` [RFC PATCH v4 01/20] virtio: Add VIRTIO_F_QUEUE_STATE Eugenio Pérez
2021-10-01 7:05 ` [RFC PATCH v4 02/20] virtio-net: Honor VIRTIO_CONFIG_S_DEVICE_STOPPED Eugenio Pérez
2021-10-01 7:05 ` Eugenio Pérez [this message]
2021-10-01 7:05 ` [RFC PATCH v4 04/20] vhost: Make vhost_virtqueue_{start,stop} public Eugenio Pérez
2021-10-01 7:05 ` [RFC PATCH v4 05/20] vhost: Add x-vhost-enable-shadow-vq qmp Eugenio Pérez
2021-10-12 5:18 ` Markus Armbruster
2021-10-12 13:08 ` Eugenio Perez Martin
2021-10-12 13:45 ` Markus Armbruster
2021-10-14 12:01 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 06/20] vhost: Add VhostShadowVirtqueue Eugenio Pérez
2021-10-01 7:05 ` [RFC PATCH v4 07/20] vdpa: Register vdpa devices in a list Eugenio Pérez
2021-10-01 7:05 ` [RFC PATCH v4 08/20] vhost: Route guest->host notification through shadow virtqueue Eugenio Pérez
2021-10-12 5:19 ` Markus Armbruster
2021-10-12 13:09 ` Eugenio Perez Martin
2021-10-13 3:27 ` Jason Wang
2021-10-14 12:00 ` Eugenio Perez Martin
2021-10-15 3:45 ` Jason Wang
2021-10-15 9:08 ` Eugenio Perez Martin
2021-10-15 18:21 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 09/20] vdpa: Save call_fd in vhost-vdpa Eugenio Pérez
2021-10-13 3:43 ` Jason Wang
2021-10-14 12:11 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 10/20] vhost-vdpa: Take into account SVQ in vhost_vdpa_set_vring_call Eugenio Pérez
2021-10-13 3:43 ` Jason Wang
2021-10-14 12:18 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 11/20] vhost: Route host->guest notification through shadow virtqueue Eugenio Pérez
2021-10-13 3:47 ` Jason Wang
2021-10-14 16:39 ` Eugenio Perez Martin
2021-10-15 4:42 ` Jason Wang
2021-10-19 8:39 ` Eugenio Perez Martin
2021-10-20 2:01 ` Jason Wang
2021-10-20 6:36 ` Eugenio Perez Martin
2021-10-13 3:49 ` Jason Wang
2021-10-14 15:58 ` Eugenio Perez Martin
2021-10-15 4:24 ` Jason Wang
2021-10-01 7:05 ` [RFC PATCH v4 12/20] virtio: Add vhost_shadow_vq_get_vring_addr Eugenio Pérez
2021-10-13 3:54 ` Jason Wang
2021-10-14 14:39 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 13/20] vdpa: Save host and guest features Eugenio Pérez
2021-10-13 3:56 ` Jason Wang
2021-10-14 15:03 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 14/20] vhost: Add vhost_svq_valid_device_features to shadow vq Eugenio Pérez
2021-10-01 7:05 ` [RFC PATCH v4 15/20] vhost: Shadow virtqueue buffers forwarding Eugenio Pérez
2021-10-12 5:21 ` Markus Armbruster
2021-10-12 13:28 ` Eugenio Perez Martin
2021-10-12 13:48 ` Markus Armbruster
2021-10-14 15:04 ` Eugenio Perez Martin
2021-10-13 4:31 ` Jason Wang
2021-10-14 17:56 ` Eugenio Perez Martin
2021-10-15 4:23 ` Jason Wang
2021-10-15 9:33 ` Eugenio Perez Martin
2021-10-01 7:05 ` [RFC PATCH v4 16/20] vhost: Check for device VRING_USED_F_NO_NOTIFY at shadow virtqueue kick Eugenio Pérez
2021-10-13 4:35 ` Jason Wang
2021-10-15 6:17 ` Eugenio Perez Martin
2021-10-01 7:06 ` [RFC PATCH v4 17/20] vhost: Use VRING_AVAIL_F_NO_INTERRUPT at device call on shadow virtqueue Eugenio Pérez
2021-10-13 4:36 ` Jason Wang
2021-10-15 6:22 ` Eugenio Perez Martin
2021-10-01 7:06 ` [RFC PATCH v4 18/20] vhost: Add VhostIOVATree Eugenio Pérez
2021-10-19 8:32 ` Jason Wang
2021-10-19 9:22 ` Jason Wang
2021-10-20 7:54 ` Eugenio Perez Martin
2021-10-20 9:01 ` Jason Wang
2021-10-20 12:06 ` Eugenio Perez Martin
2021-10-21 2:34 ` Jason Wang
2021-10-21 7:03 ` Eugenio Perez Martin
2021-10-21 8:12 ` Jason Wang
2021-10-21 14:33 ` Eugenio Perez Martin
2021-10-26 4:29 ` Jason Wang
2021-10-20 7:36 ` Eugenio Perez Martin
2021-10-01 7:06 ` [RFC PATCH v4 19/20] vhost: Use a tree to store memory mappings Eugenio Pérez
2021-10-01 7:06 ` [RFC PATCH v4 20/20] vdpa: Add custom IOTLB translations to SVQ Eugenio Pérez
2021-10-13 5:34 ` Jason Wang
2021-10-15 7:27 ` Eugenio Perez Martin
2021-10-15 7:37 ` Jason Wang
2021-10-15 8:20 ` Eugenio Perez Martin
2021-10-15 8:37 ` Jason Wang
2021-10-15 9:14 ` Eugenio Perez Martin
2021-10-19 9:24 ` Jason Wang
2021-10-19 10:28 ` Eugenio Perez Martin
2021-10-20 2:02 ` Jason Wang
2021-10-20 2:07 ` Jason Wang
2021-10-20 6:51 ` Eugenio Perez Martin
2021-10-20 9:03 ` Jason Wang
2021-10-20 11:56 ` Eugenio Perez Martin
2021-10-21 2:38 ` Jason Wang
2021-10-26 4:32 ` Jason Wang
2021-10-12 3:59 ` [RFC PATCH v4 00/20] vDPA shadow virtqueue Jason Wang
2021-10-12 4:06 ` Jason Wang
2021-10-12 9:09 ` Eugenio Perez Martin
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