diff options
| author | Qing He <qing.he@intel.com> | 2010-10-11 15:30:09 +0100 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-10-22 21:25:44 +0100 |
| commit | f731e3ef02b4744f4d7ca2f63539b900e47db31f (patch) | |
| tree | 865ef6f817c372b99f0b36dc6f2638df087d51e7 /include/xen/events.h | |
| parent | 38aa66fcb79e0a46c24bba96b6f2b851a6ec2037 (diff) | |
| download | lwn-f731e3ef02b4744f4d7ca2f63539b900e47db31f.tar.gz lwn-f731e3ef02b4744f4d7ca2f63539b900e47db31f.zip | |
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/events.h')
| -rw-r--r-- | include/xen/events.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h index 0c58db6ea3f4..8fa27dc7358b 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); |