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hw/xen: detect when running inside stubdomain

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Introduce global xen_is_stubdomain variable when qemu is running inside
a stubdomain instead of dom0. This will be relevant for subsequent
patches, as few things like accessing PCI config space need to be done
differently.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <e66aa97dca5120f22e015c19710b2ff04f525720.1711506237.git-series.marmarek@invisiblethingslab.com>
Signed-off-by: Anthony PERARD <anthony@xenproject.org>
This commit is contained in:
Marek Marczykowski-Górecki 2024-03-27 04:05:14 +01:00 • committed by Anthony PERARD
parent b6d32a06fc
commit b2bbadc63c
3 changed files with 24 additions and 0 deletions
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include/hw/xen/xen.h
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@ -36,6 +36,7 @@ enum xen_mode {
extern uint32_t xen_domid;
extern enum xen_mode xen_mode;
extern bool xen_domid_restrict;
extern bool xen_is_stubdomain;
int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
int xen_set_pci_link_route(uint8_t link, uint8_t irq);