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[PATCH v6 06/12] vhost_net: Add NetClientInfo stop callback
From: |
Eugenio Pérez |
Subject: |
[PATCH v6 06/12] vhost_net: Add NetClientInfo stop callback |
Date: |
Thu, 4 Aug 2022 20:17:16 +0200 |
Used by the backend to perform actions after the device is stopped.
In particular, vdpa net use it to unmap CVQ buffers to the device,
cleaning the actions performend in prepare().
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
include/net/net.h | 2 ++
hw/net/vhost_net.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/include/net/net.h b/include/net/net.h
index 3416bb3d46..7aa1ec0974 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -45,6 +45,7 @@ typedef struct NICConf {
typedef void (NetPoll)(NetClientState *, bool enable);
typedef bool (NetCanReceive)(NetClientState *);
typedef int (NetPrepare)(NetClientState *);
+typedef void (NetStop)(NetClientState *);
typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
typedef void (NetCleanup) (NetClientState *);
@@ -73,6 +74,7 @@ typedef struct NetClientInfo {
NetReceiveIOV *receive_iov;
NetCanReceive *can_receive;
NetPrepare *prepare;
+ NetStop *stop;
NetCleanup *cleanup;
LinkStatusChanged *link_status_changed;
QueryRxFilter *query_rx_filter;
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index e1150d7532..10bca15446 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -320,6 +320,9 @@ static void vhost_net_stop_one(struct vhost_net *net,
net->nc->info->poll(net->nc, true);
}
vhost_dev_stop(&net->dev, dev);
+ if (net->nc->info->stop) {
+ net->nc->info->stop(net->nc);
+ }
vhost_dev_disable_notifiers(&net->dev, dev);
}
--
2.31.1
- [PATCH v6 00/12] NIC vhost-vdpa state restore via Shadow CVQ, Eugenio Pérez, 2022/08/04
- [PATCH v6 06/12] vhost_net: Add NetClientInfo stop callback,
Eugenio Pérez <=
- [PATCH v6 08/12] vdpa: Move command buffers map to start of net device, Eugenio Pérez, 2022/08/04
- [PATCH v6 07/12] vdpa: add net_vhost_vdpa_cvq_info NetClientInfo, Eugenio Pérez, 2022/08/04
- [PATCH v6 02/12] vhost: use SVQ element ndescs instead of opaque data for desc validation, Eugenio Pérez, 2022/08/04
- [PATCH v6 11/12] vdpa: Add virtio-net mac address via CVQ at start, Eugenio Pérez, 2022/08/04
- [PATCH v6 01/12] vhost: stop transfer elem ownership in vhost_handle_guest_kick, Eugenio Pérez, 2022/08/04
- [PATCH v6 03/12] vhost: Delete useless read memory barrier, Eugenio Pérez, 2022/08/04
- [PATCH v6 05/12] vhost_net: Add NetClientInfo prepare callback, Eugenio Pérez, 2022/08/04
- [PATCH v6 04/12] vhost: Do not depend on !NULL VirtQueueElement on vhost_svq_flush, Eugenio Pérez, 2022/08/04
- [PATCH v6 12/12] vdpa: Delete CVQ migration blocker, Eugenio Pérez, 2022/08/04
- [PATCH v6 10/12] vhost_net: add NetClientState->load() callback, Eugenio Pérez, 2022/08/04