aboutsummaryrefslogtreecommitdiffstats
path: root/arch/ia64/include/asm/sn/sn_feature_sets.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/include/asm/sn/sn_feature_sets.h')
-rw-r--r--arch/ia64/include/asm/sn/sn_feature_sets.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/sn_feature_sets.h b/arch/ia64/include/asm/sn/sn_feature_sets.h
new file mode 100644
index 000000000000..8e83ac117ace
--- /dev/null
+++ b/arch/ia64/include/asm/sn/sn_feature_sets.h
@@ -0,0 +1,58 @@
1#ifndef _ASM_IA64_SN_FEATURE_SETS_H
2#define _ASM_IA64_SN_FEATURE_SETS_H
3
4/*
5 * SN PROM Features
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
9 * for more details.
10 *
11 * Copyright (c) 2005-2006 Silicon Graphics, Inc. All rights reserved.
12 */
13
14
15/* --------------------- PROM Features -----------------------------*/
16extern int sn_prom_feature_available(int id);
17
18#define MAX_PROM_FEATURE_SETS 2
19
20/*
21 * The following defines features that may or may not be supported by the
22 * current PROM. The OS uses sn_prom_feature_available(feature) to test for
23 * the presence of a PROM feature. Down rev (old) PROMs will always test
24 * "false" for new features.
25 *
26 * Use:
27 * if (sn_prom_feature_available(PRF_XXX))
28 * ...
29 */
30
31#define PRF_PAL_CACHE_FLUSH_SAFE 0
32#define PRF_DEVICE_FLUSH_LIST 1
33#define PRF_HOTPLUG_SUPPORT 2
34#define PRF_CPU_DISABLE_SUPPORT 3
35
36/* --------------------- OS Features -------------------------------*/
37
38/*
39 * The following defines OS features that are optionally present in
40 * the operating system.
41 * During boot, PROM is notified of these features via a series of calls:
42 *
43 * ia64_sn_set_os_feature(feature1);
44 *
45 * Once enabled, a feature cannot be disabled.
46 *
47 * By default, features are disabled unless explicitly enabled.
48 *
49 * These defines must be kept in sync with the corresponding
50 * PROM definitions in feature_sets.h.
51 */
52#define OSF_MCA_SLV_TO_OS_INIT_SLV 0
53#define OSF_FEAT_LOG_SBES 1
54#define OSF_ACPI_ENABLE 2
55#define OSF_PCISEGMENT_ENABLE 3
56
57
58#endif /* _ASM_IA64_SN_FEATURE_SETS_H */