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This commit is contained in:
JackDoan
2025-11-12 15:53:46 -06:00
parent 1a83817cc2
commit 715750d7c8
5 changed files with 120 additions and 41 deletions
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14
overlay/virtqueue/split_virtqueue.go
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@@ -363,6 +363,10 @@ func (sq *SplitQueue) GetDescriptorChainContents(head uint16, out []byte, maxLen
return sq.descriptorTable.getDescriptorChainContents(head, out, maxLen)
}
func (sq *SplitQueue) GetDescriptorInbuffers(head uint16, inBuffers *[][]byte) error {
return sq.descriptorTable.getDescriptorInbuffers(head, inBuffers)
}
// FreeDescriptorChain frees the descriptor chain with the given head index.
// The head index must be one that was returned by a previous call to
// [SplitQueue.OfferDescriptorChain] and the descriptor chain must not have been
@@ -381,7 +385,7 @@ func (sq *SplitQueue) FreeDescriptorChain(head uint16) error {
return nil
}
func (sq *SplitQueue) RecycleDescriptorChains(chains []UsedElement) error {
func (sq *SplitQueue) RecycleDescriptorChains(chains []uint16, kick bool) error {
//todo not doing this may break eventually?
//not called under lock
//if err := sq.descriptorTable.freeDescriptorChain(head); err != nil {
@@ -389,11 +393,13 @@ func (sq *SplitQueue) RecycleDescriptorChains(chains []UsedElement) error {
//}
// Make the descriptor chain available to the device.
sq.availableRing.offerElements(chains)
sq.availableRing.offer(chains)
// Notify the device to make it process the updated available ring.
if err := sq.kickEventFD.Kick(); err != nil {
return fmt.Errorf("notify device: %w", err)
if kick {
if err := sq.kickEventFD.Kick(); err != nil {
return fmt.Errorf("notify device: %w", err)
}
}
return nil