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| author | Peter Maydell <peter.maydell@linaro.org> | 2024-11-26 14:06:39 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-11-26 14:06:40 +0000 |
| commit | ba54a7e6b86884e43bed2d2f5a79c719059652a8 (patch) | |
| tree | 2083dac95fa0bc1deb753a5eeb6a50ec293537e6 | |
| parent | 1af7cba50c58efc207c368cbc8b61166889873b2 (diff) | |
| parent | 9379ea9db3c0064fa2787db0794a23a30f7b2d2d (diff) | |
| download | qemu-ba54a7e6b86884e43bed2d2f5a79c719059652a8.zip qemu-ba54a7e6b86884e43bed2d2f5a79c719059652a8.tar.gz qemu-ba54a7e6b86884e43bed2d2f5a79c719059652a8.tar.bz2 | |
Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging
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# 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>
| -rw-r--r-- | hw/net/virtio-net.c | 10 | ||||
| -rw-r--r-- | hw/virtio/virtio.c | 7 | ||||
| -rw-r--r-- | include/hw/virtio/virtio.h | 2 |
3 files changed, 19 insertions, 0 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index bc0f31b..6e8c51a 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -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; diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index a26f189..f12c4aa 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -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) { diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index f526ecc..6386910 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -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. */ |