80 lines
2.9 KiB
Diff
80 lines
2.9 KiB
Diff
From 89a67e0ce3e4c7b9f9b2d4cfb9fc5eeebc5643ac Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
|
|
Date: Tue, 23 Aug 2022 20:20:08 +0200
|
|
Subject: [PATCH 10/23] vdpa: Use ring hwaddr at vhost_vdpa_svq_unmap_ring
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
RH-Author: Eugenio Pérez <eperezma@redhat.com>
|
|
RH-MergeRequest: 116: vdpa: Restore device state on destination
|
|
RH-Bugzilla: 2114060
|
|
RH-Acked-by: Cindy Lu <lulu@redhat.com>
|
|
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
RH-Commit: [9/21] 4420134d7be60fa8b04dc9a56566524bf8daddd4 (eperezmartin/qemu-kvm)
|
|
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2114060
|
|
Upstream status: git@github.com:jasowang/qemu.git net-next
|
|
|
|
Reduce code duplication.
|
|
|
|
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
|
|
Acked-by: Jason Wang <jasowang@redhat.com>
|
|
Signed-off-by: Jason Wang <jasowang@redhat.com>
|
|
(cherry picked from commit 5a92452da95b2edfbffdd42ddc2612a7d09a5db0)
|
|
---
|
|
hw/virtio/vhost-vdpa.c | 17 ++++++++---------
|
|
1 file changed, 8 insertions(+), 9 deletions(-)
|
|
|
|
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
|
|
index 8eddf39f2a..0bea1e1eb9 100644
|
|
--- a/hw/virtio/vhost-vdpa.c
|
|
+++ b/hw/virtio/vhost-vdpa.c
|
|
@@ -882,10 +882,12 @@ static int vhost_vdpa_svq_set_fds(struct vhost_dev *dev,
|
|
/**
|
|
* Unmap a SVQ area in the device
|
|
*/
|
|
-static void vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v,
|
|
- const DMAMap *needle)
|
|
+static void vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v, hwaddr addr)
|
|
{
|
|
- const DMAMap *result = vhost_iova_tree_find_iova(v->iova_tree, needle);
|
|
+ const DMAMap needle = {
|
|
+ .translated_addr = addr,
|
|
+ };
|
|
+ const DMAMap *result = vhost_iova_tree_find_iova(v->iova_tree, &needle);
|
|
hwaddr size;
|
|
int r;
|
|
|
|
@@ -907,17 +909,14 @@ static void vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v,
|
|
static void vhost_vdpa_svq_unmap_rings(struct vhost_dev *dev,
|
|
const VhostShadowVirtqueue *svq)
|
|
{
|
|
- DMAMap needle = {};
|
|
struct vhost_vdpa *v = dev->opaque;
|
|
struct vhost_vring_addr svq_addr;
|
|
|
|
vhost_svq_get_vring_addr(svq, &svq_addr);
|
|
|
|
- needle.translated_addr = svq_addr.desc_user_addr;
|
|
- vhost_vdpa_svq_unmap_ring(v, &needle);
|
|
+ vhost_vdpa_svq_unmap_ring(v, svq_addr.desc_user_addr);
|
|
|
|
- needle.translated_addr = svq_addr.used_user_addr;
|
|
- vhost_vdpa_svq_unmap_ring(v, &needle);
|
|
+ vhost_vdpa_svq_unmap_ring(v, svq_addr.used_user_addr);
|
|
}
|
|
|
|
/**
|
|
@@ -995,7 +994,7 @@ static bool vhost_vdpa_svq_map_rings(struct vhost_dev *dev,
|
|
ok = vhost_vdpa_svq_map_ring(v, &device_region, errp);
|
|
if (unlikely(!ok)) {
|
|
error_prepend(errp, "Cannot create vq device region: ");
|
|
- vhost_vdpa_svq_unmap_ring(v, &driver_region);
|
|
+ vhost_vdpa_svq_unmap_ring(v, driver_region.translated_addr);
|
|
}
|
|
addr->used_user_addr = device_region.iova;
|
|
|
|
--
|
|
2.31.1
|
|
|