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authorQing He <qing.he@intel.com>2010-10-11 15:30:09 +0100
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2010-10-22 21:25:44 +0100
commitf731e3ef02b4744f4d7ca2f63539b900e47db31f (patch)
tree865ef6f817c372b99f0b36dc6f2638df087d51e7 /include/xen
parent38aa66fcb79e0a46c24bba96b6f2b851a6ec2037 (diff)
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xen: remap MSIs into pirqs when running as initial domain
Implement xen_create_msi_irq to create an msi and remap it as pirq. Use xen_create_msi_irq to implement an initial domain specific version of setup_msi_irqs. Signed-off-by: Qing He <qing.he@intel.com> Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/events.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h
index 0c58db6ea3f..8fa27dc7358 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -72,8 +72,12 @@ void xen_hvm_evtchn_do_upcall(void);
* usual. */
int xen_allocate_pirq(unsigned gsi, int shareable, char *name);
int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name);
+
+#ifdef CONFIG_PCI_MSI
/* Allocate an irq and a pirq to be used with MSIs. */
void xen_allocate_pirq_msi(char *name, int *irq, int *pirq);
+int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type);
+#endif
/* De-allocates the above mentioned physical interrupt. */
int xen_destroy_irq(int irq);