qemu/hw/xics.h

45 lines
1.7 KiB
C

/*
* QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
*
* PAPR Virtualized Interrupt System, aka ICS/ICP aka xics
*
* Copyright (c) 2010,2011 David Gibson, IBM Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#if !defined(__XICS_H__)
#define __XICS_H__
#define XICS_IPI 0x2
struct icp_state;
enum xics_irq_type {
XICS_MSI, /* Message-signalled (edge) interrupt */
XICS_LSI, /* Level-signalled interrupt */
};
qemu_irq xics_assign_irq(struct icp_state *icp, int irq,
enum xics_irq_type type);
struct icp_state *xics_system_init(int nr_irqs);
#endif /* __XICS_H__ */