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 */ 59