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pds_vdpa: clean and reset vqs entries
Make sure that we initialize the vqs[] entries the same
way both for initial setup and after a vq reset.
Fixes: 151cc834f3
("pds_vdpa: add support for vdpa and vdpamgmt interfaces")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230711042437.69381-4-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
parent
abdf31bd91
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@ -428,6 +428,17 @@ static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status)
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}
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}
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static void pds_vdpa_init_vqs_entry(struct pds_vdpa_device *pdsv, int qid,
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void __iomem *notify)
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{
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memset(&pdsv->vqs[qid], 0, sizeof(pdsv->vqs[0]));
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pdsv->vqs[qid].qid = qid;
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pdsv->vqs[qid].pdsv = pdsv;
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pdsv->vqs[qid].ready = false;
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pdsv->vqs[qid].irq = VIRTIO_MSI_NO_VECTOR;
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pdsv->vqs[qid].notify = notify;
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}
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static int pds_vdpa_reset(struct vdpa_device *vdpa_dev)
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{
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struct pds_vdpa_device *pdsv = vdpa_to_pdsv(vdpa_dev);
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@ -450,8 +461,7 @@ static int pds_vdpa_reset(struct vdpa_device *vdpa_dev)
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dev_err(dev, "%s: reset_vq failed qid %d: %pe\n",
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__func__, i, ERR_PTR(err));
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pds_vdpa_release_irq(pdsv, i);
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memset(&pdsv->vqs[i], 0, sizeof(pdsv->vqs[0]));
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pdsv->vqs[i].ready = false;
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pds_vdpa_init_vqs_entry(pdsv, i, pdsv->vqs[i].notify);
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}
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}
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@ -640,11 +650,11 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
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pds_vdpa_cmd_set_mac(pdsv, pdsv->mac);
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for (i = 0; i < pdsv->num_vqs; i++) {
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pdsv->vqs[i].qid = i;
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pdsv->vqs[i].pdsv = pdsv;
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pdsv->vqs[i].irq = VIRTIO_MSI_NO_VECTOR;
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pdsv->vqs[i].notify = vp_modern_map_vq_notify(&pdsv->vdpa_aux->vd_mdev,
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i, &pdsv->vqs[i].notify_pa);
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void __iomem *notify;
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notify = vp_modern_map_vq_notify(&pdsv->vdpa_aux->vd_mdev,
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i, &pdsv->vqs[i].notify_pa);
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pds_vdpa_init_vqs_entry(pdsv, i, notify);
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}
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pdsv->vdpa_dev.mdev = &vdpa_aux->vdpa_mdev;
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