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/*
* Kernel-based Virtual Machine test driver
*
* This test driver provides a simple way of testing kvm, without a full
* device model.
*
* Copyright (C) 2006 Qumranet
*
* Authors:
*
* Avi Kivity <avi@qumranet.com>
* Yaniv Kamay <yaniv@qumranet.com>
*
* This work is licensed under the GNU LGPL license, version 2.
*/
#include <stdlib.h>
#include <stdint.h>
#include <errno.h>
#include "iotable.h"
struct io_table_entry *io_table_lookup(struct io_table *io_table, uint64_t addr)
{
int i;
for (i = 0; i < io_table->nr_entries; i++) {
if (io_table->entries[i].start <= addr &&
addr < io_table->entries[i].end)
return &io_table->entries[i];
}
return NULL;
}
int io_table_register(struct io_table *io_table, uint64_t start, uint64_t size,
io_table_handler_t *handler, void *opaque)
{
struct io_table_entry *entry;
if (io_table->nr_entries == MAX_IO_TABLE)
return -ENOSPC;
entry = &io_table->entries[io_table->nr_entries];
io_table->nr_entries++;
entry->start = start;
entry->end = start + size;
entry->handler = handler;
entry->opaque = opaque;
return 0;
}
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