From 809f9267bbaba7765cdb86a47f2e6e4bf4951b69 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Thu, 1 Jul 2010 17:10:39 +0100 Subject: 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 Reviewed-by: Konrad Rzeszutek Wilk --- include/xen/events.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/xen') 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); -- cgit v1.2.2