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/*
* xen/arch/arm/io.h
*
* ARM I/O handlers
*
* Copyright (c) 2011 Citrix Systems.
*
* 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.
*/
#ifndef __ARCH_ARM_IO_H__
#define __ARCH_ARM_IO_H__
#include <xen/lib.h>
#include <asm/processor.h>
#include <asm/regs.h>
typedef struct
{
struct hsr_dabt dabt;
vaddr_t gva;
paddr_t gpa;
} mmio_info_t;
typedef int (*mmio_read_t)(struct vcpu *v, mmio_info_t *info);
typedef int (*mmio_write_t)(struct vcpu *v, mmio_info_t *info);
typedef int (*mmio_check_t)(struct vcpu *v, paddr_t addr);
struct mmio_handler {
mmio_check_t check_handler;
mmio_read_t read_handler;
mmio_write_t write_handler;
};
extern const struct mmio_handler vgic_distr_mmio_handler;
extern const struct mmio_handler vuart_mmio_handler;
extern int handle_mmio(mmio_info_t *info);
#endif
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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