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[Qemu-devel] [PATCH 2/4] hw/virtio: fix error enabling flags in Device C
From: |
Marcel Apfelbaum |
Subject: |
[Qemu-devel] [PATCH 2/4] hw/virtio: fix error enabling flags in Device Control register |
Date: |
Wed, 4 Jan 2017 21:57:16 +0200 |
When the virtio devices are PCI Express, make error-enabling flags
writable to respect the PCIe spec.
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
hw/virtio/virtio-pci.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 21c2b9d..da2124f 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1802,6 +1802,8 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error
**errp)
* PCI Power Management Interface Specification.
*/
pci_set_word(pci_dev->config + pos + PCI_PM_PMC, 0x3);
+ /* Init error enabling flags */
+ pcie_cap_deverr_init(pci_dev);
} else {
/*
* make future invocations of pci_is_express() return false
@@ -1828,6 +1830,7 @@ static void virtio_pci_reset(DeviceState *qdev)
{
VirtIOPCIProxy *proxy = VIRTIO_PCI(qdev);
VirtioBusState *bus = VIRTIO_BUS(&proxy->bus);
+ PCIDevice *dev = PCI_DEVICE(qdev);
int i;
virtio_pci_stop_ioeventfd(proxy);
@@ -1837,6 +1840,10 @@ static void virtio_pci_reset(DeviceState *qdev)
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
proxy->vqs[i].enabled = 0;
}
+
+ if (pci_is_express(dev)) {
+ pcie_cap_deverr_reset(dev);
+ }
}
static Property virtio_pci_properties[] = {
--
2.5.5