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authorAnthony PERARD <anthony.perard@citrix.com>2010-06-30 17:50:10 +0100
committerAlexander Graf <agraf@suse.de>2011-05-08 10:10:01 +0200
commit9c11a8ac886ccbb5f8e1b08e8ae12f045d783031 (patch)
treebd5add34e3c080354452b94f8cc281756d3f1dae /xen-all.c
parent4144530012793e6cd479eaa90cceb1aef0de8158 (diff)
xen: Introduce Xen Interrupt Controller
Every set_irq call makes a Xen hypercall. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'xen-all.c')
-rw-r--r--xen-all.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/xen-all.c b/xen-all.c
index acb051cffc..bb809eff16 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -40,6 +40,18 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len)
}
}
+/* Xen Interrupt Controller */
+
+static void xen_set_irq(void *opaque, int irq, int level)
+{
+ xc_hvm_set_isa_irq_level(xen_xc, xen_domid, irq, level);
+}
+
+qemu_irq *xen_interrupt_controller_init(void)
+{
+ return qemu_allocate_irqs(xen_set_irq, NULL, 16);
+}
+
/* VCPU Operations, MMIO, IO ring ... */
static void xen_reset_vcpu(void *opaque)