From 7477de989faffd4be4adfa3d3e1bf35bdf2e0f75 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Fri, 17 Oct 2008 11:18:07 +0900 Subject: ia64/pv_ops/xen: implement xen pv_irq_ops. implement xen pv_irq_ops to paravirtualize irq handling with xen event channel. Cc: Jeremy Fitzhardinge Signed-off-by: Akio Takebe Signed-off-by: Alex Williamson Signed-off-by: Isaku Yamahata Signed-off-by: Tony Luck --- arch/ia64/xen/irq_xen.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 arch/ia64/xen/irq_xen.h (limited to 'arch/ia64/xen/irq_xen.h') diff --git a/arch/ia64/xen/irq_xen.h b/arch/ia64/xen/irq_xen.h new file mode 100644 index 000000000000..26110f330c87 --- /dev/null +++ b/arch/ia64/xen/irq_xen.h @@ -0,0 +1,34 @@ +/****************************************************************************** + * arch/ia64/xen/irq_xen.h + * + * Copyright (c) 2008 Isaku Yamahata + * VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef IRQ_XEN_H +#define IRQ_XEN_H + +extern void (*late_time_init)(void); +extern char xen_event_callback; +void __init xen_init_IRQ(void); + +extern const struct pv_irq_ops xen_irq_ops __initdata; +extern void xen_smp_intr_init(void); +extern void xen_send_ipi(int cpu, int vec); + +#endif /* IRQ_XEN_H */ -- cgit v1.2.1