19bc18cc9e
- kvm-vdpa-Skip-the-maps-not-in-the-iova-tree.patch [RHELX-57] - kvm-vdpa-do-not-save-failed-dma-maps-in-SVQ-iova-tree.patch [RHELX-57] - kvm-util-accept-iova_tree_remove_parameter-by-value.patch [RHELX-57] - kvm-vdpa-Remove-SVQ-vring-from-iova_tree-at-shutdown.patch [RHELX-57] - kvm-vdpa-Make-SVQ-vring-unmapping-return-void.patch [RHELX-57] - kvm-vhost-Always-store-new-kick-fd-on-vhost_svq_set_svq_.patch [RHELX-57] - kvm-vdpa-Use-ring-hwaddr-at-vhost_vdpa_svq_unmap_ring.patch [RHELX-57] - kvm-vhost-stop-transfer-elem-ownership-in-vhost_handle_g.patch [RHELX-57] - kvm-vhost-use-SVQ-element-ndescs-instead-of-opaque-data-.patch [RHELX-57] - kvm-vhost-Delete-useless-read-memory-barrier.patch [RHELX-57] - kvm-vhost-Do-not-depend-on-NULL-VirtQueueElement-on-vhos.patch [RHELX-57] - kvm-vhost_net-Add-NetClientInfo-start-callback.patch [RHELX-57] - kvm-vhost_net-Add-NetClientInfo-stop-callback.patch [RHELX-57] - kvm-vdpa-add-net_vhost_vdpa_cvq_info-NetClientInfo.patch [RHELX-57] - kvm-vdpa-Move-command-buffers-map-to-start-of-net-device.patch [RHELX-57] - kvm-vdpa-extract-vhost_vdpa_net_cvq_add-from-vhost_vdpa_.patch [RHELX-57] - kvm-vhost_net-add-NetClientState-load-callback.patch [RHELX-57] - kvm-vdpa-Add-virtio-net-mac-address-via-CVQ-at-start.patch [RHELX-57] - kvm-vdpa-Delete-CVQ-migration-blocker.patch [RHELX-57] - kvm-vdpa-Make-VhostVDPAState-cvq_cmd_in_buffer-control-a.patch [RHELX-57] - kvm-vdpa-extract-vhost_vdpa_net_load_mac-from-vhost_vdpa.patch [RHELX-57] - kvm-vdpa-Add-vhost_vdpa_net_load_mq.patch [RHELX-57] - kvm-vdpa-validate-MQ-CVQ-commands.patch [RHELX-57] - kvm-virtio-net-Update-virtio-net-curr_queue_pairs-in-vdp.patch [RHELX-57] - kvm-vdpa-Allow-MQ-feature-in-SVQ.patch [RHELX-57] - kvm-i386-reset-KVM-nested-state-upon-CPU-reset.patch [bz#2125281] - kvm-i386-do-kvm_put_msr_feature_control-first-thing-when.patch [bz#2125281] - kvm-Revert-Re-enable-capstone-internal-build.patch [bz#2127825] - kvm-spec-Use-capstone-package.patch [bz#2127825] - Resolves: RHELX-57 (vDPA SVQ Multiqueue support ) - Resolves: bz#2125281 ([RHEL9.1] Guests in VMX root operation fail to reboot with QEMU's 'system_reset' command [rhel-9.2.0]) - Resolves: bz#2127825 (Use capstone for qemu-kvm build)
75 lines
2.2 KiB
Diff
75 lines
2.2 KiB
Diff
From 466adb0e641f5c918cbea84e962ae9352f440663 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
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Date: Thu, 11 Aug 2022 14:28:47 +0200
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Subject: [PATCH 22/29] vdpa: Add vhost_vdpa_net_load_mq
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Laurent Vivier <lvivier@redhat.com>
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RH-MergeRequest: 117: vDPA SVQ Multiqueue support
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RH-Jira: RHELX-57
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RH-Acked-by: Jason Wang <jasowang@redhat.com>
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RH-Acked-by: Cindy Lu <lulu@redhat.com>
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RH-Acked-by: Eugenio Pérez <eperezma@redhat.com>
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RH-Commit: [22/25] 01e861ad39d6b8e15870296f508726565101213b (redhat/centos-stream/src/qemu-kvm)
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Upstream: Not merged yet
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Same way as with the MAC, restore the expected number of queues at
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device's start.
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Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
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Signed-off-by: Laurent Vivier <lvivier@redhat.com>
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---
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net/vhost-vdpa.c | 26 ++++++++++++++++++++++++++
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1 file changed, 26 insertions(+)
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diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
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index e799e744cd..3950e4f25d 100644
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--- a/net/vhost-vdpa.c
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+++ b/net/vhost-vdpa.c
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@@ -400,6 +400,28 @@ static int vhost_vdpa_net_load_mac(VhostVDPAState *s, const VirtIONet *n)
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return 0;
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}
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+static int vhost_vdpa_net_load_mq(VhostVDPAState *s,
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+ const VirtIONet *n)
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+{
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+ struct virtio_net_ctrl_mq mq;
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+ uint64_t features = n->parent_obj.guest_features;
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+ ssize_t dev_written;
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+
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+ if (!(features & BIT_ULL(VIRTIO_NET_F_MQ))) {
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+ return 0;
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+ }
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+
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+ mq.virtqueue_pairs = cpu_to_le16(n->curr_queue_pairs);
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+ dev_written = vhost_vdpa_net_load_cmd(s, VIRTIO_NET_CTRL_MQ,
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+ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET, &mq,
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+ sizeof(mq));
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+ if (unlikely(dev_written < 0)) {
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+ return dev_written;
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+ }
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+
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+ return *s->status != VIRTIO_NET_OK;
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+}
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+
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static int vhost_vdpa_net_load(NetClientState *nc)
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{
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VhostVDPAState *s = DO_UPCAST(VhostVDPAState, nc, nc);
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@@ -418,6 +440,10 @@ static int vhost_vdpa_net_load(NetClientState *nc)
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if (unlikely(r < 0)) {
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return r;
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}
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+ r = vhost_vdpa_net_load_mq(s, n);
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+ if (unlikely(r)) {
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+ return r;
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+ }
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return 0;
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}
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--
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2.31.1
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