ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

-----BEGIN PGP SIGNATURE----- 

iQEzBAABCAAdFiEEIV1G9IJGaJ7HfzVi7wSWWzmNYhEFAmdFRyQACgkQ7wSWWzmN
 YhFU1Qf/T9bBOCrbQqbZSG7eKk8QuH35zcgNU7FzFTrGeVCc1bUMNYhiioqAFmE+
 h5h/3vmkmt+01vaTuimTRumI2SJnFFwggveJDWf+ICSl9MRtCXB5+w0n71vJ6gUO
 njm36pIl+aMkZIrsDc7lLewVouZkF8mAKP7mn9x53s5lX/HbXZSdPJmrkdUXtNT5
 d3nXlUkNhEWKL9dKIQ9dWYmj3l+tLfuYPiR8a+kKFMEwHlGBuFbNoVN03v5VvFyf
 Dmy1P1ZFApP0SsR4SiccXg7C8AslBC6wc7Bhd0aiKpGBnlt20mE9EJSVyrU8yP1p
 UTKzzB0QHN7Nnd6AcFRhWvo9C74mGg==
 =qP+q
 -----END PGP SIGNATURE-----

Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCAAdFiEEIV1G9IJGaJ7HfzVi7wSWWzmNYhEFAmdFRyQACgkQ7wSWWzmN
# YhFU1Qf/T9bBOCrbQqbZSG7eKk8QuH35zcgNU7FzFTrGeVCc1bUMNYhiioqAFmE+
# h5h/3vmkmt+01vaTuimTRumI2SJnFFwggveJDWf+ICSl9MRtCXB5+w0n71vJ6gUO
# njm36pIl+aMkZIrsDc7lLewVouZkF8mAKP7mn9x53s5lX/HbXZSdPJmrkdUXtNT5
# d3nXlUkNhEWKL9dKIQ9dWYmj3l+tLfuYPiR8a+kKFMEwHlGBuFbNoVN03v5VvFyf
# Dmy1P1ZFApP0SsR4SiccXg7C8AslBC6wc7Bhd0aiKpGBnlt20mE9EJSVyrU8yP1p
# UTKzzB0QHN7Nnd6AcFRhWvo9C74mGg==
# =qP+q
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 26 Nov 2024 03:57:24 GMT
# gpg:                using RSA key 215D46F48246689EC77F3562EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
  virtio-net: Add queues before loading them

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-11-26 14:06:39 +00:00
parent 1af7cba50c 9379ea9db3
commit ba54a7e6b8
3 changed files with 19 additions and 0 deletions
hw
net
virtio-net.c
virtio
virtio.c
include/hw/virtio
virtio.h

10
hw/net/virtio-net.c
View File

@ -3064,6 +3064,15 @@ static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue)
virtio_net_set_queue_pairs(n);
}
static int virtio_net_pre_load_queues(VirtIODevice *vdev)
{
virtio_net_set_multiqueue(VIRTIO_NET(vdev),
virtio_has_feature(vdev->guest_features, VIRTIO_NET_F_RSS) ||
virtio_has_feature(vdev->guest_features, VIRTIO_NET_F_MQ));
return 0;
}
static int virtio_net_post_load_device(void *opaque, int version_id)
{
VirtIONet *n = opaque;
@ -4073,6 +4082,7 @@ static void virtio_net_class_init(ObjectClass *klass, void *data)
vdc->guest_notifier_mask = virtio_net_guest_notifier_mask;
vdc->guest_notifier_pending = virtio_net_guest_notifier_pending;
vdc->legacy_features |= (0x1 << VIRTIO_NET_F_GSO);
vdc->pre_load_queues = virtio_net_pre_load_queues;
vdc->post_load = virtio_net_post_load_virtio;
vdc->vmsd = &vmstate_virtio_net_device;
vdc->primary_unplug_pending = primary_unplug_pending;

7
hw/virtio/virtio.c
View File

@ -3255,6 +3255,13 @@ virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id)
config_len--;
}
if (vdc->pre_load_queues) {
ret = vdc->pre_load_queues(vdev);
if (ret) {
return ret;
}
}
num = qemu_get_be32(f);
if (num > VIRTIO_QUEUE_MAX) {

2
include/hw/virtio/virtio.h
View File

@ -210,6 +210,8 @@ struct VirtioDeviceClass {
void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask);
int (*start_ioeventfd)(VirtIODevice *vdev);
void (*stop_ioeventfd)(VirtIODevice *vdev);
/* Called before loading queues. Useful to add queues before loading. */
int (*pre_load_queues)(VirtIODevice *vdev);
/* Saving and loading of a device; trying to deprecate save/load
* use vmsd for new devices.
*/