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[PATCH v5 03/14] vdpa: Negotiate _F_SUSPEND feature
From: |
Eugenio Pérez |
Subject: |
[PATCH v5 03/14] vdpa: Negotiate _F_SUSPEND feature |
Date: |
Fri, 3 Mar 2023 18:24:34 +0100 |
This is needed for qemu to know it can suspend the device to retrieve
its status and enable SVQ with it, so all the process is transparent to
the guest.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
hw/virtio/vhost-vdpa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 108cd63289..5cfa9d5d27 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -659,7 +659,8 @@ static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
uint64_t features;
uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 |
0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH |
- 0x1ULL << VHOST_BACKEND_F_IOTLB_ASID;
+ 0x1ULL << VHOST_BACKEND_F_IOTLB_ASID |
+ 0x1ULL << VHOST_BACKEND_F_SUSPEND;
int r;
if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) {
--
2.31.1
- [PATCH v5 00/14] Dynamically switch to vhost shadow virtqueues at vdpa net migration, Eugenio Pérez, 2023/03/03
- [PATCH v5 01/14] vdpa net: move iova tree creation from init to start, Eugenio Pérez, 2023/03/03
- [PATCH v5 02/14] vdpa: Remember last call fd set, Eugenio Pérez, 2023/03/03
- [PATCH v5 05/14] vdpa: add vhost_vdpa->suspended parameter, Eugenio Pérez, 2023/03/03
- [PATCH v5 04/14] vdpa: rewind at get_base, not set_base, Eugenio Pérez, 2023/03/03
- [PATCH v5 06/14] vdpa: add vhost_vdpa_suspend, Eugenio Pérez, 2023/03/03
- [PATCH v5 07/14] vdpa: move vhost reset after get vring base, Eugenio Pérez, 2023/03/03
- [PATCH v5 03/14] vdpa: Negotiate _F_SUSPEND feature,
Eugenio Pérez <=
- [PATCH v5 08/14] vdpa: add vdpa net migration state notifier, Eugenio Pérez, 2023/03/03
- [PATCH v5 09/14] vdpa: disable RAM block discard only for the first device, Eugenio Pérez, 2023/03/03
- [PATCH v5 10/14] vdpa net: block migration if the device has CVQ, Eugenio Pérez, 2023/03/03
- [PATCH v5 11/14] vdpa: block migration if device has unsupported features, Eugenio Pérez, 2023/03/03
- [PATCH v5 13/14] vdpa net: allow VHOST_F_LOG_ALL, Eugenio Pérez, 2023/03/03
- [PATCH v5 12/14] vdpa: block migration if SVQ does not admit a feature, Eugenio Pérez, 2023/03/03
- [PATCH v5 14/14] vdpa: return VHOST_F_LOG_ALL in vhost-vdpa devices, Eugenio Pérez, 2023/03/03
- Re: [PATCH v5 00/14] Dynamically switch to vhost shadow virtqueues at vdpa net migration, Lei Yang, 2023/03/07