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aer: impove pcie_aer_init to support vfio device

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pcie_aer_init was used to emulate an aer capability for pcie device,
but for vfio device, the aer config space size is mutable and is not
always equal to PCI_ERR_SIZEOF(0x48). it depends on where the TLP Prefix
register required, so here we add a size argument.

Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Chen Fan 2016-02-19 09:42:28 -07:00 • committed by Alex Williamson
parent 88caf177ac
commit 8d86ada2a7
5 changed files with 6 additions and 6 deletions
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4
hw/pci/pcie_aer.c
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@ -95,12 +95,12 @@ static void aer_log_clear_all_err(PCIEAERLog *aer_log)
aer_log->log_num = 0;
}
int pcie_aer_init(PCIDevice *dev, uint16_t offset)
int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size)
{
PCIExpressDevice *exp;
pcie_add_capability(dev, PCI_EXT_CAP_ID_ERR, PCI_ERR_VER,
offset, PCI_ERR_SIZEOF);
offset, size);
exp = &dev->exp;
exp->aer_cap = offset;