27f3decf9b
Sync patches below from openEuler to src-openEuler: vdpa: fix vdpa device migrate rollback wrong when suspend device failed. vdpa: support resizing virtio-blk capacity online for kernel vdpa Revert "vdpa: add vhost_vdpa_suspend" Revert "vdpa: add vhost_vdpa->suspended parameter" Revert "vdpa: block migration if SVQ does not admit a feature" vdpa: remove memory listener unregister in vhost_vdpa_reset_status
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
From 8c65e8d7c923ade6f3c7fbef43000562d4733629 Mon Sep 17 00:00:00 2001
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From: fangyi <eric.fangyi@huawei.com>
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Date: Sat, 7 Sep 2024 07:11:07 +0000
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Subject: [PATCH 2/6] vdpa: support resizing virtio-blk capacity online for
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kernel vdpa
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Signed-off-by: fangyi <eric.fangyi@huawei.com>
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---
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hw/virtio/vdpa-dev.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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diff --git a/hw/virtio/vdpa-dev.c b/hw/virtio/vdpa-dev.c
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index 91e71847b0..bf4b3ec3fd 100644
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--- a/hw/virtio/vdpa-dev.c
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+++ b/hw/virtio/vdpa-dev.c
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@@ -31,6 +31,7 @@
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#include "hw/virtio/vdpa-dev-mig.h"
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#include "migration/migration.h"
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#include "exec/address-spaces.h"
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+#include "standard-headers/linux/virtio_ids.h"
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static void
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vhost_vdpa_device_dummy_handle_output(VirtIODevice *vdev, VirtQueue *vq)
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@@ -201,7 +202,23 @@ static void
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vhost_vdpa_device_get_config(VirtIODevice *vdev, uint8_t *config)
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{
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VhostVdpaDevice *s = VHOST_VDPA_DEVICE(vdev);
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+ uint8_t *new_config;
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+ int ret;
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+
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+ if (s->vdev_id != VIRTIO_ID_BLOCK) {
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+ goto out;
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+ }
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+ new_config = g_malloc0(s->config_size);
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+ ret = vhost_dev_get_config(&s->dev, new_config, s->config_size, NULL);
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+ if (ret < 0) {
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+ error_report("vhost-vdpa-device: get config failed(%d)\n", ret);
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+ goto free;
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+ }
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+ memcpy(s->config, new_config, s->config_size);
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+free:
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+ g_free(new_config);
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+out:
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memcpy(config, s->config, s->config_size);
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}
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--
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2.43.0
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