diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2013-05-30 12:57:26 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2013-07-04 10:40:56 +0300 |
| commit | 3459a625215449b67b9c67d9151ff72892d0a42a (patch) | |
| tree | 2f22e21c03a15b418a94b4d91db8fdaa711ce76a /hw/pci-host | |
| parent | 620ac82eb0fc4218fb6a4937bcef3fdab3126703 (diff) | |
pci: store PCI hole ranges in guestinfo structure
Will be used to pass hole ranges to guests.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci-host')
| -rw-r--r-- | hw/pci-host/q35.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index 24df6b55cb..3a5cff989e 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -244,6 +244,14 @@ static int mch_init(PCIDevice *d) hwaddr pci_hole64_size; MCHPCIState *mch = MCH_PCI_DEVICE(d); + /* Leave enough space for the biggest MCFG BAR */ + /* TODO: this matches current bios behaviour, but + * it's not a power of two, which means an MTRR + * can't cover it exactly. + */ + mch->guest_info->pci_info.w32.begin = MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT + + MCH_HOST_BRIDGE_PCIEXBAR_MAX; + /* setup pci memory regions */ memory_region_init_alias(&mch->pci_hole, "pci-hole", mch->pci_address_space, |