2 * Copyright (c) 2006 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
45 efi_register_handles(struct devsw *sw, EFI_HANDLE *handles,
46 EFI_HANDLE *aliases, int count)
53 sz = nentries * sizeof(struct entry);
54 entry = (entry == NULL) ? malloc(sz) : realloc(entry, sz);
57 for (unit = 0; idx < nentries; idx++, unit++) {
58 entry[idx].handle = handles[unit];
60 entry[idx].alias = aliases[unit];
62 entry[idx].alias = NULL;
64 entry[idx].unit = unit;
70 efi_find_handle(struct devsw *dev, int unit)
74 for (idx = 0; idx < nentries; idx++) {
75 if (entry[idx].dev != dev)
77 if (entry[idx].unit != unit)
79 return (entry[idx].handle);
85 efi_handle_lookup(EFI_HANDLE h, struct devsw **dev, int *unit, uint64_t *extra)
89 for (idx = 0; idx < nentries; idx++) {
90 if (entry[idx].handle != h && entry[idx].alias != h)
93 *dev = entry[idx].dev;
95 *unit = entry[idx].unit;
97 *extra = entry[idx].extra;
104 efi_handle_update_dev(EFI_HANDLE h, struct devsw *dev, int unit,
109 for (idx = 0; idx < nentries; idx++) {
110 if (entry[idx].handle != h)
112 entry[idx].dev = dev;
113 entry[idx].unit = unit;
114 entry[idx].alias = NULL;
115 entry[idx].extra = guid;