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pci: store PCI hole ranges in guestinfo structure

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Will be used to pass hole ranges to guests.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-05-30 12:57:26 +03:00
parent 620ac82eb0
commit 3459a62521
7 changed files with 92 additions and 4 deletions
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8
hw/pci-host/q35.c
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@ -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,