77 lines
2.7 KiB
Diff
77 lines
2.7 KiB
Diff
From 0f3a28e1e128754184c4af6a578f27e16c6a61d5 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
|
|
Date: Thu, 15 Dec 2022 12:31:37 +0100
|
|
Subject: [PATCH 05/14] vdpa: add vhost_vdpa_net_valid_svq_features
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
RH-Author: Eugenio Pérez <eperezma@redhat.com>
|
|
RH-MergeRequest: 136: vDPA ASID support in Qemu
|
|
RH-Bugzilla: 2104412
|
|
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
|
|
RH-Acked-by: Cindy Lu <lulu@redhat.com>
|
|
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
RH-Commit: [5/13] 0b27e04f178ec73cb800f4fb05c17a92576142e4 (eperezmartin/qemu-kvm)
|
|
|
|
It will be reused at vdpa device start so let's extract in its own
|
|
function.
|
|
|
|
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
|
|
Acked-by: Jason Wang <jasowang@redhat.com>
|
|
Message-Id: <20221215113144.322011-6-eperezma@redhat.com>
|
|
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
|
|
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
|
(cherry picked from commit 36e4647247f200b6fa4d2f656133f567036e8a85)
|
|
---
|
|
net/vhost-vdpa.c | 26 +++++++++++++++++---------
|
|
1 file changed, 17 insertions(+), 9 deletions(-)
|
|
|
|
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
|
|
index b06540ac89..16a5ebe2dd 100644
|
|
--- a/net/vhost-vdpa.c
|
|
+++ b/net/vhost-vdpa.c
|
|
@@ -106,6 +106,22 @@ VHostNetState *vhost_vdpa_get_vhost_net(NetClientState *nc)
|
|
return s->vhost_net;
|
|
}
|
|
|
|
+static bool vhost_vdpa_net_valid_svq_features(uint64_t features, Error **errp)
|
|
+{
|
|
+ uint64_t invalid_dev_features =
|
|
+ features & ~vdpa_svq_device_features &
|
|
+ /* Transport are all accepted at this point */
|
|
+ ~MAKE_64BIT_MASK(VIRTIO_TRANSPORT_F_START,
|
|
+ VIRTIO_TRANSPORT_F_END - VIRTIO_TRANSPORT_F_START);
|
|
+
|
|
+ if (invalid_dev_features) {
|
|
+ error_setg(errp, "vdpa svq does not work with features 0x%" PRIx64,
|
|
+ invalid_dev_features);
|
|
+ }
|
|
+
|
|
+ return !invalid_dev_features;
|
|
+}
|
|
+
|
|
static int vhost_vdpa_net_check_device_id(struct vhost_net *net)
|
|
{
|
|
uint32_t device_id;
|
|
@@ -684,15 +700,7 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
|
|
if (opts->x_svq) {
|
|
struct vhost_vdpa_iova_range iova_range;
|
|
|
|
- uint64_t invalid_dev_features =
|
|
- features & ~vdpa_svq_device_features &
|
|
- /* Transport are all accepted at this point */
|
|
- ~MAKE_64BIT_MASK(VIRTIO_TRANSPORT_F_START,
|
|
- VIRTIO_TRANSPORT_F_END - VIRTIO_TRANSPORT_F_START);
|
|
-
|
|
- if (invalid_dev_features) {
|
|
- error_setg(errp, "vdpa svq does not work with features 0x%" PRIx64,
|
|
- invalid_dev_features);
|
|
+ if (!vhost_vdpa_net_valid_svq_features(features, errp)) {
|
|
goto err_svq;
|
|
}
|
|
|
|
--
|
|
2.31.1
|
|
|