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msix: add helper to unuse all msix entries 

will be used by virtio on soft reset

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2009-11-24 16:44:15 +02:00
parent 88a9556430
commit b5f28bcaee
2 changed files with 8 additions and 0 deletions
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7
hw/msix.c
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@ -378,3 +378,10 @@ void msix_vector_unuse(PCIDevice *dev, unsigned vector)
if (vector < dev->msix_entries_nr && dev->msix_entry_used[vector])
--dev->msix_entry_used[vector];
}
void msix_unuse_all_vectors(PCIDevice *dev)
{
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
return;
msix_free_irq_entries(dev);
}

1
hw/msix.h
View File

@ -25,6 +25,7 @@ uint32_t msix_bar_size(PCIDevice *dev);
int msix_vector_use(PCIDevice *dev, unsigned vector);
void msix_vector_unuse(PCIDevice *dev, unsigned vector);
void msix_unuse_all_vectors(PCIDevice *dev);
void msix_notify(PCIDevice *dev, unsigned vector);