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authorMichael S. Tsirkin <mst@redhat.com>2009-11-25 12:00:10 +0200
committerMichael S. Tsirkin <mst@redhat.com>2009-12-01 18:00:00 +0200
commit1f944c661a821774e7b8cfbf5560a238795f2a60 (patch)
tree5665679277dac50aaa9eaedf025a1ca954ab38fc /hw/msix.c
parentae1be0bbc127a9a6289873efdb7cb22c57d81a9d (diff)
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msix: fix reset value for enable bit
On reset, we currently clear all bits in msix control register *except* enable bit. This is wrong: the spec says we should clear writeable bits: function mask and enable bit. Correct this. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/msix.c')
-rw-r--r--hw/msix.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/msix.c b/hw/msix.c
index 45f83dd..785e097 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -361,7 +361,8 @@ void msix_reset(PCIDevice *dev)
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
return;
msix_free_irq_entries(dev);
- dev->config[dev->msix_cap + MSIX_ENABLE_OFFSET] &= MSIX_ENABLE_MASK;
+ dev->config[dev->msix_cap + MSIX_ENABLE_OFFSET] &=
+ ~dev->wmask[dev->msix_cap + MSIX_ENABLE_OFFSET];
memset(dev->msix_table_page, 0, MSIX_PAGE_SIZE);
msix_mask_all(dev, dev->msix_entries_nr);
}