[lan78xx] Always enable automatic speed and duplex detection
[ipxe.git] / src / usr / sync.c
1 /*
2 * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 #include <stddef.h>
27 #include <ipxe/job.h>
28 #include <ipxe/monojob.h>
29 #include <ipxe/pending.h>
30 #include <usr/sync.h>
31
32 /** @file
33 *
34 * Wait for pending operations to complete
35 *
36 */
37
38 /**
39 * Report progress
40 *
41 * @v intf Interface
42 * @v progress Progress report to fill in
43 * @ret ongoing_rc Ongoing job status code (if known)
44 */
45 static int sync_progress ( struct interface *intf,
46 struct job_progress *progress __unused ) {
47
48 /* Terminate successfully if no pending operations remain */
49 if ( ! have_pending() )
50 intf_close ( intf, 0 );
51
52 return 0;
53 }
54
55 /** Synchroniser interface operations */
56 static struct interface_operation sync_intf_op[] = {
57 INTF_OP ( job_progress, struct interface *, sync_progress ),
58 };
59
60 /** Synchroniser interface descriptor */
61 static struct interface_descriptor sync_intf_desc =
62 INTF_DESC_PURE ( sync_intf_op );
63
64 /** Synchroniser */
65 static struct interface sync_intf = INTF_INIT ( sync_intf_desc );
66
67 /**
68 * Wait for pending operations to complete
69 *
70 * @v timeout Timeout period, in ticks (0=indefinite)
71 * @ret rc Return status code
72 */
73 int sync ( unsigned long timeout ) {
74
75 /* Attach synchroniser and wait for completion */
76 intf_plug_plug ( &monojob, &sync_intf );
77 return monojob_wait ( NULL, timeout );
78 }