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[Qemu-devel] [PATCH] qemu/virtio: enable msi vectors on load
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH] qemu/virtio: enable msi vectors on load |
Date: |
Thu, 2 Jul 2009 20:51:51 +0300 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On load, enable msi vectors used by the virtio device.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/virtio-pci.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index f7da503..4bbdca4 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -129,8 +129,11 @@ static int virtio_pci_load_config(void * opaque, QEMUFile
*f)
if (ret)
return ret;
msix_load(&proxy->pci_dev, f);
- if (msix_present(&proxy->pci_dev))
+ if (msix_present(&proxy->pci_dev)) {
+ msix_vector_unuse(&proxy->pci_dev, proxy->vdev->config_vector);
qemu_get_be16s(f, &proxy->vdev->config_vector);
+ return msix_vector_use(&proxy->pci_dev, proxy->vdev->config_vector);
+ }
return 0;
}
@@ -140,9 +143,10 @@ static int virtio_pci_load_queue(void * opaque, int n,
QEMUFile *f)
uint16_t vector;
if (!msix_present(&proxy->pci_dev))
return 0;
+ msix_vector_unuse(&proxy->pci_dev, virtio_queue_vector(proxy->vdev, n));
qemu_get_be16s(f, &vector);
virtio_queue_set_vector(proxy->vdev, n, vector);
- return 0;
+ return msix_vector_use(&proxy->pci_dev, vector);
}
static void virtio_pci_reset(void *opaque)
--
1.6.2.2
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