qemu-kvm/kvm-failover-Remove-primary_dev-member.patch
2021-03-08 12:30:40 +01:00

159 lines
4.8 KiB
Diff

From 52dce3568320900c79e34eb2093058e5c3f60aa9 Mon Sep 17 00:00:00 2001
From: Laurent Vivier <lvivier@redhat.com>
Date: Thu, 25 Feb 2021 23:14:46 -0500
Subject: [PATCH 49/54] failover: Remove primary_dev member
RH-Author: Laurent Vivier <lvivier@redhat.com>
Message-id: <20210225231447.2187738-27-lvivier@redhat.com>
Patchwork-id: 101250
O-Subject: [RHEL-AV-8.4.0 qemu-kvm PATCH v2 26/27] failover: Remove primary_dev member
Bugzilla: 1819991
RH-Acked-by: Juan Quintela <quintela@redhat.com>
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
From: Juan Quintela <quintela@redhat.com>
BZ: https://bugzilla.redhat.com/1819991
BRANCH: rhel-av-8.4.0
UPSTREAM: Merged
Only three uses remained, and we can remove them on that case.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20201118083748.1328-28-quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 21e8709b29cd981c74565e75276ed476c954cbbf)
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
hw/net/virtio-net.c | 55 +++++++++++++++-------------------
include/hw/virtio/virtio-net.h | 1 -
2 files changed, 24 insertions(+), 32 deletions(-)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 9203d81780..044ac95f6f 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -832,13 +832,31 @@ static char *failover_find_primary_device_id(VirtIONet *n)
return fid.id;
}
+/**
+ * Find the primary device for this failover virtio-net
+ *
+ * @n: VirtIONet device
+ * @errp: returns an error if this function fails
+ */
+static DeviceState *failover_find_primary_device(VirtIONet *n)
+{
+ char *id = failover_find_primary_device_id(n);
+
+ if (!id) {
+ return NULL;
+ }
+
+ return qdev_find_recursive(sysbus_get_default(), id);
+}
+
static void failover_add_primary(VirtIONet *n, Error **errp)
{
Error *err = NULL;
QemuOpts *opts;
char *id;
+ DeviceState *dev = failover_find_primary_device(n);
- if (n->primary_dev) {
+ if (dev) {
return;
}
@@ -848,7 +866,7 @@ static void failover_add_primary(VirtIONet *n, Error **errp)
}
opts = qemu_opts_find(qemu_find_opts("device"), id);
if (opts) {
- n->primary_dev = qdev_device_add(opts, &err);
+ dev = qdev_device_add(opts, &err);
if (err) {
qemu_opts_del(opts);
}
@@ -861,23 +879,6 @@ static void failover_add_primary(VirtIONet *n, Error **errp)
error_propagate(errp, err);
}
-/**
- * Find the primary device for this failover virtio-net
- *
- * @n: VirtIONet device
- * @errp: returns an error if this function fails
- */
-static DeviceState *failover_find_primary_device(VirtIONet *n)
-{
- char *id = failover_find_primary_device_id(n);
-
- if (!id) {
- return NULL;
- }
-
- return qdev_find_recursive(sysbus_get_default(), id);
-}
-
static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
{
VirtIONet *n = VIRTIO_NET(vdev);
@@ -933,19 +934,9 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
qatomic_set(&n->failover_primary_hidden, false);
failover_add_primary(n, &err);
if (err) {
- n->primary_dev = failover_find_primary_device(n);
- failover_add_primary(n, &err);
- if (err) {
- goto out_err;
- }
+ warn_report_err(err);
}
}
- return;
-
-out_err:
- if (err) {
- warn_report_err(err);
- }
}
static int virtio_net_handle_rx_mode(VirtIONet *n, uint8_t cmd,
@@ -3420,13 +3411,15 @@ static int virtio_net_pre_save(void *opaque)
static bool primary_unplug_pending(void *opaque)
{
DeviceState *dev = opaque;
+ DeviceState *primary;
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIONet *n = VIRTIO_NET(vdev);
if (!virtio_vdev_has_feature(vdev, VIRTIO_NET_F_STANDBY)) {
return false;
}
- return n->primary_dev ? n->primary_dev->pending_deleted_event : false;
+ primary = failover_find_primary_device(n);
+ return primary ? primary->pending_deleted_event : false;
}
static bool dev_unplug_pending(void *opaque)
diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h
index efef64e02f..7e96d193aa 100644
--- a/include/hw/virtio/virtio-net.h
+++ b/include/hw/virtio/virtio-net.h
@@ -202,7 +202,6 @@ struct VirtIONet {
AnnounceTimer announce_timer;
bool needs_vnet_hdr_swap;
bool mtu_bypass_backend;
- DeviceState *primary_dev;
/* primary failover device is hidden*/
bool failover_primary_hidden;
bool failover;
--
2.27.0