diff options
Diffstat (limited to 'arch/ia64/include/asm/sn/sn_feature_sets.h')
-rw-r--r-- | arch/ia64/include/asm/sn/sn_feature_sets.h | 58 |
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 000000000..8e83ac117 --- /dev/null +++ b/arch/ia64/include/asm/sn/sn_feature_sets.h @@ -0,0 +1,58 @@ +#ifndef _ASM_IA64_SN_FEATURE_SETS_H +#define _ASM_IA64_SN_FEATURE_SETS_H + +/* + * SN PROM Features + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (c) 2005-2006 Silicon Graphics, Inc. All rights reserved. + */ + + +/* --------------------- PROM Features -----------------------------*/ +extern int sn_prom_feature_available(int id); + +#define MAX_PROM_FEATURE_SETS 2 + +/* + * The following defines features that may or may not be supported by the + * current PROM. The OS uses sn_prom_feature_available(feature) to test for + * the presence of a PROM feature. Down rev (old) PROMs will always test + * "false" for new features. + * + * Use: + * if (sn_prom_feature_available(PRF_XXX)) + * ... + */ + +#define PRF_PAL_CACHE_FLUSH_SAFE 0 +#define PRF_DEVICE_FLUSH_LIST 1 +#define PRF_HOTPLUG_SUPPORT 2 +#define PRF_CPU_DISABLE_SUPPORT 3 + +/* --------------------- OS Features -------------------------------*/ + +/* + * The following defines OS features that are optionally present in + * the operating system. + * During boot, PROM is notified of these features via a series of calls: + * + * ia64_sn_set_os_feature(feature1); + * + * Once enabled, a feature cannot be disabled. + * + * By default, features are disabled unless explicitly enabled. + * + * These defines must be kept in sync with the corresponding + * PROM definitions in feature_sets.h. + */ +#define OSF_MCA_SLV_TO_OS_INIT_SLV 0 +#define OSF_FEAT_LOG_SBES 1 +#define OSF_ACPI_ENABLE 2 +#define OSF_PCISEGMENT_ENABLE 3 + + +#endif /* _ASM_IA64_SN_FEATURE_SETS_H */ |