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dm/VBS-U: expand data structures to support virtio 1.0

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Struct virtio_base and struct virtio_vq_info are expanded to support
virtio 1.0 framework. The BAR layouts of virtio legacy/transitional/
modern are introduced as well.

Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Reviewed-by: Hao Li <hao.l.li@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jian Jun Chen
2018-03-29 09:23:46 +08:00
committed by Jack Ren
parent 5e613efd95
commit 9c2378f19e
2 changed files with 58 additions and 1 deletions
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10
devicemodel/hw/pci/virtio/virtio.c
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@@ -96,6 +96,13 @@ virtio_reset_dev(struct virtio_base *base)
vq->save_used = 0;
vq->pfn = 0;
vq->msix_idx = VIRTIO_MSI_NO_VECTOR;
vq->gpa_desc[0] = 0;
vq->gpa_desc[1] = 0;
vq->gpa_avail[0] = 0;
vq->gpa_avail[1] = 0;
vq->gpa_used[0] = 0;
vq->gpa_used[1] = 0;
vq->enabled = 0;
}
base->negotiated_caps = 0;
base->curq = 0;
@@ -104,6 +111,9 @@ virtio_reset_dev(struct virtio_base *base)
pci_lintr_deassert(base->dev);
base->isr = 0;
base->msix_cfg_idx = VIRTIO_MSI_NO_VECTOR;
base->device_feature_select = 0;
base->driver_feature_select = 0;
base->config_generation = 0;
}
/*