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hw/virtio: fix Link Control Register for PCI Express virtio devices

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Make several Link Control Register flags writable to conform
with the PCI Express spec.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Marcel Apfelbaum 2017-02-20 22:43:12 +02:00 • committed by Michael S. Tsirkin
parent c2cabb3422
commit d584f1b9ca
5 changed files with 33 additions and 0 deletions
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4
include/hw/compat.h
View file

@ -26,6 +26,10 @@
.driver = "virtio-pci",\
.property = "x-pcie-deverr-init",\
.value = "off",\
},{\
.driver = "virtio-pci",\
.property = "x-pcie-lnkctl-init",\
.value = "off",\
},
#define HW_COMPAT_2_7 \

3
include/hw/pci/pcie.h
View file

@ -96,6 +96,9 @@ uint8_t pcie_cap_flags_get_vector(PCIDevice *dev);
void pcie_cap_deverr_init(PCIDevice *dev);
void pcie_cap_deverr_reset(PCIDevice *dev);
void pcie_cap_lnkctl_init(PCIDevice *dev);
void pcie_cap_lnkctl_reset(PCIDevice *dev);
void pcie_cap_slot_init(PCIDevice *dev, uint16_t slot);
void pcie_cap_slot_reset(PCIDevice *dev);
void pcie_cap_slot_write_config(PCIDevice *dev,