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[RFC v2 08/13] vdpa: Negotiate _F_SUSPEND feature
From: |
Eugenio Pérez |
Subject: |
[RFC v2 08/13] vdpa: Negotiate _F_SUSPEND feature |
Date: |
Thu, 12 Jan 2023 18:24:29 +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>
---
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 4296427a69..a61a6b2a74 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
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, (continued)
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Jason Wang, 2023/01/12
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Eugenio Perez Martin, 2023/01/13
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Stefano Garzarella, 2023/01/13
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Eugenio Perez Martin, 2023/01/13
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Stefano Garzarella, 2023/01/13
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Maxime Coquelin, 2023/01/17
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Jason Wang, 2023/01/16
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Eugenio Perez Martin, 2023/01/16
- Re: [RFC v2 06/13] vhost: delay set_vring_ready after DRIVER_OK, Jason Wang, 2023/01/17
[RFC v2 07/13] vdpa: delay set_vring_ready after DRIVER_OK, Eugenio Pérez, 2023/01/12
[RFC v2 08/13] vdpa: Negotiate _F_SUSPEND feature,
Eugenio Pérez <=
[RFC v2 09/13] vdpa: add feature_log parameter to vhost_vdpa, Eugenio Pérez, 2023/01/12
[RFC v2 10/13] vdpa net: allow VHOST_F_LOG_ALL, Eugenio Pérez, 2023/01/12
[RFC v2 11/13] vdpa: add vdpa net migration state notifier, Eugenio Pérez, 2023/01/12