80 lines
2.9 KiB
Diff
80 lines
2.9 KiB
Diff
From c91852883439c3a5349f6787b11b7bc71d6504a5 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: Tue, 23 Aug 2022 20:20:08 +0200
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Subject: [PATCH 07/29] vdpa: Use ring hwaddr at vhost_vdpa_svq_unmap_ring
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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: [7/25] 961d9854ae1088fc487b32b605fef207aad08924 (redhat/centos-stream/src/qemu-kvm)
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Reduce code duplication.
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Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
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Acked-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
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(cherry picked from commit 8b6d6119ad7fd983d192f60c4960fb6a9197d995)
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Signed-off-by: Laurent Vivier <lvivier@redhat.com>
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---
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hw/virtio/vhost-vdpa.c | 17 ++++++++---------
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1 file changed, 8 insertions(+), 9 deletions(-)
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diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
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index e208dd000e..23ae5ef48b 100644
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--- a/hw/virtio/vhost-vdpa.c
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+++ b/hw/virtio/vhost-vdpa.c
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@@ -884,10 +884,12 @@ static int vhost_vdpa_svq_set_fds(struct vhost_dev *dev,
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/**
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* Unmap a SVQ area in the device
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*/
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-static void vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v,
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- const DMAMap *needle)
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+static void vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v, hwaddr addr)
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{
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- const DMAMap *result = vhost_iova_tree_find_iova(v->iova_tree, needle);
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+ const DMAMap needle = {
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+ .translated_addr = addr,
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+ };
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+ const DMAMap *result = vhost_iova_tree_find_iova(v->iova_tree, &needle);
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hwaddr size;
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int r;
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@@ -909,17 +911,14 @@ static void vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v,
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static void vhost_vdpa_svq_unmap_rings(struct vhost_dev *dev,
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const VhostShadowVirtqueue *svq)
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{
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- DMAMap needle = {};
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struct vhost_vdpa *v = dev->opaque;
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struct vhost_vring_addr svq_addr;
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vhost_svq_get_vring_addr(svq, &svq_addr);
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- needle.translated_addr = svq_addr.desc_user_addr;
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- vhost_vdpa_svq_unmap_ring(v, &needle);
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+ vhost_vdpa_svq_unmap_ring(v, svq_addr.desc_user_addr);
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- needle.translated_addr = svq_addr.used_user_addr;
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- vhost_vdpa_svq_unmap_ring(v, &needle);
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+ vhost_vdpa_svq_unmap_ring(v, svq_addr.used_user_addr);
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}
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/**
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@@ -997,7 +996,7 @@ static bool vhost_vdpa_svq_map_rings(struct vhost_dev *dev,
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ok = vhost_vdpa_svq_map_ring(v, &device_region, errp);
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if (unlikely(!ok)) {
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error_prepend(errp, "Cannot create vq device region: ");
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- vhost_vdpa_svq_unmap_ring(v, &driver_region);
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+ vhost_vdpa_svq_unmap_ring(v, driver_region.translated_addr);
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}
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addr->used_user_addr = device_region.iova;
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--
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2.31.1
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