Commit 8003ede4 authored by Jean-Philippe Brucker's avatar Jean-Philippe Brucker Committed by Will Deacon
Browse files

virtio/p9: Implement reset



The p9 reset cancels all running jobs and closes any open fid.
Signed-off-by: default avatarJean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: default avatarJulien Thierry <julien.thierry@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 7a7f4542
......@@ -1384,6 +1384,14 @@ static void set_guest_features(struct kvm *kvm, void *dev, u32 features)
static void notify_status(struct kvm *kvm, void *dev, u32 status)
{
struct p9_dev *p9dev = dev;
struct p9_fid *pfid, *next;
if (!(status & VIRTIO__STATUS_STOP))
return;
rbtree_postorder_for_each_entry_safe(pfid, next, &p9dev->fids, node)
close_fid(p9dev, pfid->fid);
}
static int init_vq(struct kvm *kvm, void *dev, u32 vq, u32 page_size, u32 align,
......@@ -1413,6 +1421,13 @@ static int init_vq(struct kvm *kvm, void *dev, u32 vq, u32 page_size, u32 align,
return 0;
}
static void exit_vq(struct kvm *kvm, void *dev, u32 vq)
{
struct p9_dev *p9dev = dev;
thread_pool__cancel_job(&p9dev->jobs[vq].job_id);
}
static int notify_vq(struct kvm *kvm, void *dev, u32 vq)
{
struct p9_dev *p9dev = dev;
......@@ -1450,6 +1465,7 @@ struct virtio_ops p9_dev_virtio_ops = {
.get_host_features = get_host_features,
.set_guest_features = set_guest_features,
.init_vq = init_vq,
.exit_vq = exit_vq,
.notify_status = notify_status,
.notify_vq = notify_vq,
.get_vq = get_vq,
......
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