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[PATCH 02/13] vdpa: Negotiate _F_SUSPEND feature
From: |
Eugenio Pérez |
Subject: |
[PATCH 02/13] vdpa: Negotiate _F_SUSPEND feature |
Date: |
Fri, 3 Feb 2023 20:11:31 +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 542e003101..2e79fbe4b2 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 00/13] Dynamycally switch to vhost shadow virtqueues at vdpa net migration, Eugenio Pérez, 2023/02/03
- [PATCH 05/13] vdpa: rewind at get_base, not set_base, Eugenio Pérez, 2023/02/03
- [PATCH 03/13] vdpa: add vhost_vdpa_suspend, Eugenio Pérez, 2023/02/03
- [PATCH 06/13] vdpa net: allow VHOST_F_LOG_ALL, Eugenio Pérez, 2023/02/03
- [PATCH 07/13] vdpa: add vdpa net migration state notifier, Eugenio Pérez, 2023/02/03
- [PATCH 02/13] vdpa: Negotiate _F_SUSPEND feature,
Eugenio Pérez <=
- [PATCH 04/13] vdpa: move vhost reset after get vring base, Eugenio Pérez, 2023/02/03
- [PATCH 08/13] vdpa: disable RAM block discard only for the first device, Eugenio Pérez, 2023/02/03
- [PATCH 09/13] vdpa net: block migration if the device has CVQ, Eugenio Pérez, 2023/02/03
- [PATCH 01/13] vdpa net: move iova tree creation from init to start, Eugenio Pérez, 2023/02/03
- [PATCH 10/13] vdpa: block migration if device has unsupported features, Eugenio Pérez, 2023/02/03
- [PATCH 11/13] vdpa: block migration if dev does not have _F_SUSPEND, Eugenio Pérez, 2023/02/03
- [PATCH 13/13] vdpa: return VHOST_F_LOG_ALL in vhost-vdpa devices, Eugenio Pérez, 2023/02/03
- [PATCH 12/13] vdpa: block migration if SVQ does not admit a feature, Eugenio Pérez, 2023/02/03