2 * Copyright (c) 1998 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MACHINE_SGMAP_H_
30 #define _MACHINE_SGMAP_H_
34 typedef void sgmap_map_callback(void *arg, bus_addr_t ba, vm_offset_t pa);
36 vm_offset_t sgmap_overflow_page(void);
37 struct sgmap *sgmap_map_create(bus_addr_t sba, bus_addr_t eba,
38 sgmap_map_callback *map, void *arg);
39 void sgmap_map_destroy(struct sgmap *sgmap);
40 bus_addr_t sgmap_alloc_region(struct sgmap *sgmap,
41 bus_size_t size, bus_size_t boundary,
43 void sgmap_load_region(struct sgmap *sgmap, bus_addr_t sba,
44 vm_offset_t va, bus_size_t size);
45 void sgmap_unload_region(struct sgmap *sgmap,
46 bus_addr_t sba, bus_size_t size);
47 void sgmap_free_region(struct sgmap *sgmap, void *mh);
49 #endif /* !_MACHINE_SGMAP_H_ */