diff options
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-07-01 18:10:39 +0200 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-10-22 22:25:43 +0200 |
| commit | 809f9267bbaba7765cdb86a47f2e6e4bf4951b69 (patch) | |
| tree | 5ed0ad8e7f5f535d94927498feefba15c9770e91 /include | |
| parent | xen: support GSI -> pirq remapping in PV on HVM guests (diff) | |
| download | linux-809f9267bbaba7765cdb86a47f2e6e4bf4951b69.tar.xz linux-809f9267bbaba7765cdb86a47f2e6e4bf4951b69.zip | |
xen: map MSIs into pirqs
Map MSIs into pirqs, writing 0 in the MSI vector data field and the pirq
number in the MSI destination id field.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/xen/events.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h index deec8faace22..0c58db6ea3f4 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -72,6 +72,8 @@ 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); +/* Allocate an irq and a pirq to be used with MSIs. */ +void xen_allocate_pirq_msi(char *name, int *irq, int *pirq); /* De-allocates the above mentioned physical interrupt. */ int xen_destroy_irq(int irq); |