qemu-kvm/kvm-vhost_net-add-NetClientState-load-callback.patch
Miroslav Rezanina 19bc18cc9e * Thu Sep 29 2022 Miroslav Rezanina <mrezanin@redhat.com> - 7.1.0-2
- kvm-vdpa-Skip-the-maps-not-in-the-iova-tree.patch [RHELX-57]
- kvm-vdpa-do-not-save-failed-dma-maps-in-SVQ-iova-tree.patch [RHELX-57]
- kvm-util-accept-iova_tree_remove_parameter-by-value.patch [RHELX-57]
- kvm-vdpa-Remove-SVQ-vring-from-iova_tree-at-shutdown.patch [RHELX-57]
- kvm-vdpa-Make-SVQ-vring-unmapping-return-void.patch [RHELX-57]
- kvm-vhost-Always-store-new-kick-fd-on-vhost_svq_set_svq_.patch [RHELX-57]
- kvm-vdpa-Use-ring-hwaddr-at-vhost_vdpa_svq_unmap_ring.patch [RHELX-57]
- kvm-vhost-stop-transfer-elem-ownership-in-vhost_handle_g.patch [RHELX-57]
- kvm-vhost-use-SVQ-element-ndescs-instead-of-opaque-data-.patch [RHELX-57]
- kvm-vhost-Delete-useless-read-memory-barrier.patch [RHELX-57]
- kvm-vhost-Do-not-depend-on-NULL-VirtQueueElement-on-vhos.patch [RHELX-57]
- kvm-vhost_net-Add-NetClientInfo-start-callback.patch [RHELX-57]
- kvm-vhost_net-Add-NetClientInfo-stop-callback.patch [RHELX-57]
- kvm-vdpa-add-net_vhost_vdpa_cvq_info-NetClientInfo.patch [RHELX-57]
- kvm-vdpa-Move-command-buffers-map-to-start-of-net-device.patch [RHELX-57]
- kvm-vdpa-extract-vhost_vdpa_net_cvq_add-from-vhost_vdpa_.patch [RHELX-57]
- kvm-vhost_net-add-NetClientState-load-callback.patch [RHELX-57]
- kvm-vdpa-Add-virtio-net-mac-address-via-CVQ-at-start.patch [RHELX-57]
- kvm-vdpa-Delete-CVQ-migration-blocker.patch [RHELX-57]
- kvm-vdpa-Make-VhostVDPAState-cvq_cmd_in_buffer-control-a.patch [RHELX-57]
- kvm-vdpa-extract-vhost_vdpa_net_load_mac-from-vhost_vdpa.patch [RHELX-57]
- kvm-vdpa-Add-vhost_vdpa_net_load_mq.patch [RHELX-57]
- kvm-vdpa-validate-MQ-CVQ-commands.patch [RHELX-57]
- kvm-virtio-net-Update-virtio-net-curr_queue_pairs-in-vdp.patch [RHELX-57]
- kvm-vdpa-Allow-MQ-feature-in-SVQ.patch [RHELX-57]
- kvm-i386-reset-KVM-nested-state-upon-CPU-reset.patch [bz#2125281]
- kvm-i386-do-kvm_put_msr_feature_control-first-thing-when.patch [bz#2125281]
- kvm-Revert-Re-enable-capstone-internal-build.patch [bz#2127825]
- kvm-spec-Use-capstone-package.patch [bz#2127825]
- Resolves: RHELX-57
  (vDPA SVQ Multiqueue support )
- Resolves: bz#2125281
  ([RHEL9.1] Guests in VMX root operation fail to reboot with QEMU's 'system_reset' command [rhel-9.2.0])
- Resolves: bz#2127825
  (Use capstone for qemu-kvm build)
2022-09-29 03:59:55 -04:00

74 lines
2.4 KiB
Diff

From d91546b3bc3dd147b6327a4d8c5b523104a09aa6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
Date: Tue, 23 Aug 2022 20:30:35 +0200
Subject: [PATCH 17/29] vhost_net: add NetClientState->load() callback
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Laurent Vivier <lvivier@redhat.com>
RH-MergeRequest: 117: vDPA SVQ Multiqueue support
RH-Jira: RHELX-57
RH-Acked-by: Jason Wang <jasowang@redhat.com>
RH-Acked-by: Cindy Lu <lulu@redhat.com>
RH-Acked-by: Eugenio Pérez <eperezma@redhat.com>
RH-Commit: [17/25] de71f2e8fc7b25f5197101703fbb5ff054ada984 (redhat/centos-stream/src/qemu-kvm)
It allows per-net client operations right after device's successful
start. In particular, to load the device status.
Vhost-vdpa net will use it to add the CVQ buffers to restore the device
status.
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 539573c317dc0b8d50a128db60550f2f2898d2fc)
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
hw/net/vhost_net.c | 7 +++++++
include/net/net.h | 2 ++
2 files changed, 9 insertions(+)
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 9d4b334453..d28f8b974b 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -281,6 +281,13 @@ static int vhost_net_start_one(struct vhost_net *net,
}
}
}
+
+ if (net->nc->info->load) {
+ r = net->nc->info->load(net->nc);
+ if (r < 0) {
+ goto fail;
+ }
+ }
return 0;
fail:
file.fd = -1;
diff --git a/include/net/net.h b/include/net/net.h
index 476ad45b9a..81d0b21def 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 (NetStart)(NetClientState *);
+typedef int (NetLoad)(NetClientState *);
typedef void (NetStop)(NetClientState *);
typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
@@ -74,6 +75,7 @@ typedef struct NetClientInfo {
NetReceiveIOV *receive_iov;
NetCanReceive *can_receive;
NetStart *start;
+ NetLoad *load;
NetStop *stop;
NetCleanup *cleanup;
LinkStatusChanged *link_status_changed;
--
2.31.1