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hw/virtio-pci Added counter for pcie capabilities offsets. 

Removed hardcoded offset for ats. Added cap offset counter
for future capabilities like AER.

Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Message-Id: <20201203110713.204938-2-andrew@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Andrew Melnychenko 2020-12-03 13:07:12 +02:00 committed by Michael S. Tsirkin
parent 8ad4e4519c
commit 06e9744242
1 changed files with 3 additions and 1 deletions
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4
hw/virtio/virtio-pci.c
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@ -1798,6 +1798,7 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
if (pcie_port && pci_is_express(pci_dev)) {
int pos;
uint16_t last_pcie_cap_offset = PCI_CONFIG_SPACE_SIZE;
pos = pcie_endpoint_cap_init(pci_dev, 0);
assert(pos > 0);
@ -1833,7 +1834,8 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
}
if (proxy->flags & VIRTIO_PCI_FLAG_ATS) {
pcie_ats_init(pci_dev, 256);
pcie_ats_init(pci_dev, last_pcie_cap_offset);
last_pcie_cap_offset += PCI_EXT_CAP_ATS_SIZEOF;
}
if (proxy->flags & VIRTIO_PCI_FLAG_INIT_FLR) {