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ia64/pv_ops/xen: implement xen pv_irq_ops.

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implement xen pv_irq_ops to paravirtualize irq handling
with xen event channel.

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Isaku Yamahata
2008-10-17 11:18:07 +09:00
committed by Tony Luck
parent 78c2ae4a0e
commit 7477de989f
4 changed files with 473 additions and 1 deletions
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34
arch/ia64/xen/irq_xen.h Normal file
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/******************************************************************************
* arch/ia64/xen/irq_xen.h
*
* Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
* 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 */