1/*-
2 * Copyright (c) 2013 Antti Kantee.  All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
14 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <mini-os/os.h>
27#include <mini-os/ioremap.h>
28#include <mini-os/pcifront.h>
29#include <mini-os/events.h>
30#include <mini-os/mm.h>
31#include <mini-os/hypervisor.h>
32
33#include <bmk-core/errno.h>
34#include <bmk-core/memalloc.h>
35
36#include "pci_user.h"
37
38int
39rumpcomp_pci_dmalloc(size_t size, size_t align,
40	unsigned long *pap, unsigned long *vap)
41{
42	unsigned long va;
43	int i;
44
45	for (i = 0; size >> (i + PAGE_SHIFT); i++)
46		continue;
47
48	va = minios_alloc_contig_pages(i, 0); /* XXX: MD interface */
49	*vap = (uintptr_t)va;
50	*pap = virt_to_mach(va);
51
52	return 0;
53}
54
55int
56rumpcomp_pci_dmamem_map(struct rumpcomp_pci_dmaseg *dss, size_t nseg,
57	size_t totlen, void **vap)
58{
59
60	if (nseg > 1) {
61		return BMK_EIO;
62	}
63	*vap = (void *)dss[0].ds_vacookie;
64
65	return 0;
66}
67
68unsigned long
69rumpcomp_pci_virt_to_mach(void *virt)
70{
71
72	return virt_to_mach(virt);
73}
74